Introduction to Alumina Ceramics

Alumina ceramics are known for their high hardness, wear resistance, corrosion resistance, good electrical insulation and high temperature stability. According to the different alumina content, it can be divided into different grades, such as 95 porcelain, 99 porcelain, etc., among which 99 porcelain refers to ceramic materials with an alumina content of 99%. As the alumina content increases, its mechanical strength and electrical insulation properties will also increase accordingly.

Characteristics of Alumina Ceramics

High Hardness: Alumina ceramics have extremely high hardness, which makes it very wear-resistant and suitable for manufacturing abrasive tools and parts that require wear resistance.

Wear resistance: Due to its high hardness, alumina ceramics show excellent wear resistance and are suitable for manufacturing parts for long-term use.

Corrosion resistance: Alumina ceramics have good resistance to most acids and alkalis, making them widely used in the chemical industry.

Good electrical insulation: As an excellent electrical insulating material, alumina ceramics are widely used in electronic and electrical products.

High temperature stability: Ability to withstand extremely high temperatures without significant physical or chemical changes, which makes it an ideal choice for applications in high temperature environments.

Biocompatibility: In the medical field, certain grades of alumina ceramics are used to make medical devices such as artificial joints due to their good biocompatibility.

(Insulating 95% Alumina Ceramic Gasket Wafer Al2o3 Spacer For Electronic)

Specifications of Insulating 95% Alumina Ceramic Gasket Wafer Al2o3 Spacer For Electronic

The shielding 95% alumina ceramic gasket wafer (Al2O3 spacer) is made for electronic applications requiring high thermal stability and electric insulation. The product includes 95% light weight aluminum oxide, ensuring excellent mechanical strength and resistance to severe conditions. It operates efficiently in temperature levels as much as 1600 ° C, making it appropriate for high-heat environments. The low thermal development coefficient reduces dimensional adjustments under temperature fluctuations, preserving architectural honesty.

This ceramic gasket supplies superior electric insulation, with a dielectric toughness going beyond 15 kV/mm. It stops existing leakage in circuits, improving device safety and security. The product’s chemical inertness resists deterioration from acids, alkalis, and natural solvents, making certain long-term integrity. Its firmness (Hv 1500) and compressive strength (2200 MPa) minimize wear and contortion under mechanical tension.

Offered in thicknesses from 0.5 mm to 10 mm, the wafer supports personalization in diameter and form. Surface area coatings consist of polished, ground, or as-fired choices to meet particular roughness requirements (Ra ≤ 0.4 μm for polished). Precision machining guarantees limited tolerances ( ± 0.1 mm), suitable with automated setting up processes.

The alumina ceramic spacer is suitable for semiconductor equipment, power electronic devices, and vacuum systems. It isolates components in heating systems, laser systems, and sensing units. Its non-porous framework avoids gas permeation, important for preserving vacuum stability. The material sends out no hazardous fragments, conference sanitation criteria for aerospace and medical tools.

Compatibility with high-frequency applications is made certain by low dielectric loss (tan δ < 0.0002 at 1 MHz). This reduces signal disturbance in RF and microwave systems. The wafer's lightweight layout (density 3.7 g/cm SIX) minimizes lots on delicate elements. Applications include warmth sinks, motherboard, and electron microscopy phases. It replaces plastic or metal spacers in high-voltage configurations, removing melting or short-circuit dangers. The alumina gasket is non-magnetic, ideal for MRI and accuracy instrumentation. Customized opening patterns, slots, or finishings (like metallization) are available for specialized installing or conductivity demands. Bulk orders include laser marking for traceability. Packaging choices range from anti-static bags to foam-lined trays, avoiding transit damage. The item complies with RoHS and REACH requirements, free from harmful compounds. Preparations vary from 1-4 weeks based on order complexity. Examples are attended to screening compatibility with particular operating conditions. Technical support helps with design combination and performance recognition.

(Insulating 95% Alumina Ceramic Gasket Wafer Al2o3 Spacer For Electronic)

Applications of Insulating 95% Alumina Ceramic Gasket Wafer Al2o3 Spacer For Electronic

Shielding 95% alumina ceramic gasket wafers (Al2O3) are vital parts in modern electronic devices. These ceramic spacers offer high electric insulation, thermal stability, and mechanical durability. They are widely utilized to divide or support electronic components in high-temperature or high-voltage environments. The 95% alumina make-up makes sure excellent resistance to put on, rust, and thermal shock.

These gaskets operate effectively in motherboard, power electronics, and semiconductor tools. Their key duty is to prevent electrical leak between conductive aspects. They manage extreme temperature levels, keeping efficiency from -50 ° C to over 1500 ° C. This makes them suitable for applications like electric lorry battery systems, industrial heating units, and aerospace electronic devices.

The high dielectric stamina of alumina porcelains avoids current flow through the material. This residential or commercial property is essential for insulating substratums in high-frequency circuits or high-power transmission systems. The product’s low thermal development lessens stress and anxiety throughout temperature adjustments. It reduces the danger of cracking or buckling in accuracy parts.

Alumina gaskets are likewise used in vacuum cleaner environments. They resist outgassing, ensuring stable efficiency in delicate equipment like electron microscopic lens or plasma reactors. Their chemical inertness allows use in destructive setups, such as chemical processing sensing units or medical implantable tools.

Manufacturing methods consist of precision machining or molding. This guarantees limited tolerances for complex forms. Surface area coatings are smooth to prevent harmful fragile digital parts. Personalized dimensions and geometries are available to fulfill certain style requirements.

These spacers outshine plastic or metal alternatives. Plastics degrade under warmth or UV exposure. Steels conduct electrical energy, taking the chance of brief circuits. Alumina porcelains stay clear of these concerns while using longer life span. They are cost-effective for high-reliability applications.

Industries like telecommunications, renewable resource, and protection rely upon alumina gasket wafers. They make certain safety and effectiveness in gadgets like RF filters, solar inverters, and radar systems. The product’s hardness likewise withstands abrasion in moving components.

Correct setup is essential. Surfaces have to be clean and level to stop unequal stress. Adhesives or mechanical fasteners safeguard the gasket without compromising insulation. Routine inspection aids spot wear or contamination early.

Alumina ceramic gaskets satisfy requirements like ISO 9001 and RoHS. They are tested for dielectric failure voltage, thermal conductivity, and mechanical load capacity. Personalized qualifications are offered for specialized markets.

The demand for small, high-performance electronic devices drives innovation in alumina ceramic components. Designers remain to check out brand-new applications in arising modern technologies like 5G infrastructure and electrical air travel.

Company Introduction

Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. Please feel free to contact us.(nanotrun@yahoo.com)

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5 FAQs of Insulating 95% Alumina Ceramic Gasket Wafer Al2o3 Spacer For Electronic

What is 95% alumina ceramic made of?
95% alumina ceramic consists mainly of aluminum oxide (Al2O3). This material is processed under high heat to form a dense, hard structure. The remaining 5% includes additives for binding or enhancing properties. This composition ensures high mechanical strength and thermal stability.

How does this gasket handle high temperatures?
This gasket works in temperatures up to 1600°C. Its low thermal expansion prevents cracking under heat stress. It resists sudden temperature changes without degrading. This makes it suitable for furnaces, engines, or high-power electronics.

Why use alumina ceramic for electrical insulation?
Alumina ceramic does not conduct electricity. It acts as a barrier against current leakage or short circuits. Its high dielectric strength maintains performance even under high voltage. This is critical for circuits, sensors, or insulating parts in devices.

Can the gasket withstand chemical exposure?
Yes. The material resists most acids, alkalis, and solvents. It does not corrode or react in harsh environments. This durability makes it ideal for chemical processing equipment or lab tools.

Are custom sizes or shapes available?
Manufacturers offer options for thickness, diameter, or hole patterns. Precision machining ensures tight tolerances for specific applications. Custom designs match unique device requirements without sacrificing performance.

(Insulating 95% Alumina Ceramic Gasket Wafer Al2o3 Spacer For Electronic)